Double-faced machine quick ballasting and laminating system for corrugated paper board production line

Abstract

The invention discloses a double-faced machine quick ballasting and laminating system for a corrugated paper board production line. The system comprises a frame, wherein air bags are arranged at the lower surface of the frame, and are connected with an air inlet pipe, the outer sides of the air bags are provided with a chain, a thermal insulating layer is arranged between the air bags and the chain. According to the double-faced machine quick ballasting and laminating system for the corrugated paper board production line, a manner that the air bags are combined with the chain is adopted for pressing a paper board, so that the all-around contact with a hot plate is guaranteed under the condition that the hot plate is deformed, the pressure of contact at all parts of the hot plate is guaranteed to be the same, and the problem due to the deformation of the hot plate is solved. Meanwhile, the system can automatically adjust the pressure of each air bag according to the speed variation of a paper board car, can effectively carry out pressure laminating on paper boards when different types of paper boards are produced and under different car speeds to enable the paper boards to well cling to the hot plate, so as to obtain an optimum heat transfer effect, thereby increasing the production speed and effectively improving the production efficiency.

Description

technical field [0001] The invention relates to the field of corrugated cardboard production line, and relates to a system device for applying pressure to the cardboard at the double-sided machine during the production process of the cardboard, in particular to a gas-pressurized airbag-type automatic ballast lamination system at the double-sided machine . Background technique [0002] During the production of cardboard in the corrugated cardboard production line, the gravity wheel system or hot press system is used to press the cardboard for a long time, so that the paste of the cardboard can be dried to make the cardboard bonded. But all there is certain defective in above-mentioned two kinds of pressurization methods. Among them, the gravity wheel system only relies on its own gravity to form pressure on the cardboard. This system has the following defects: 1) This system cannot change the pressure on the cardboard according to the change of the paper weight during the pr...

AI Technical Summary

Problems solved by technology

Among them, the gravity wheel system only relies on its own gravity to form pressure on the cardboard. This system has the following defects: 1) This system cannot change the pressure on the cardboard according to the change of the paper weight during the production process of the cardboard. Under normal circumstances, it is easy to cause the corrugated shape of the produced cardboard to be flattened. In the case of high-weight paper, the cardboard cannot be effectively bonded at normal speed, so the speed can only be reduced to ensure that the produced cardboard can be completely dried and pasted. combine

2) In the production process of corrugated cardboard, a large amount of heat is required to dry the paste quickly, which makes all manufacturers use steam hot plate drying technology in the existing corrugated production technology, and long-term thermal expansion and contraction will make the heat The board is deformed, resulting in the phenomenon that the middle of the cardboard cannot be pasted and the two sides are flattened after the equipment has been in operation for 2-3 years. The only way to accommodate production is to increase the amount of paste and reduce the speed of the vehicle.

3) Both sides of the gravity wheel are supported by bearings for rolling. First, when installing the gravity wheel, it is necessary to measure the distance between it and the hot plate. In addition, the bearing needs to be lubricated and maintained irregularly according to the production situation, and the condition of the bearing should be checked from time to time. If the bearing is damaged, the roller will vibrate severely during the production process, resulting in poor bonding of the cardboard

4) It is impossible for cardboard manufacturer customers to produce full-width paperboard according to the machine width. According to the production demand, take the 1.8M machine width as an example. The width of the cardboard produced is from 850-1800 paper width according to the order. In addition, when the production is not full-width paper, the cotton tape produced by pulling the cardboard will directly contact the hot plate, and the temperature of the hot plate production is generally 165-175°C, which leads to the long-term contact of the cotton tape during production. And the burning phenomenon of the cotton belt directly increases the production cost of the manufacturer.

The system has the following defects: 1) This system needs to ensure that the distance between each steel plate and the hot plate is equal, which requires high installation and machinery, and there will be an error of 2-3mm in general on-site installation

3) In the case of the same layer of cardboard but different paper weights, it is a kind of pressure, which is easy to cause the cardboard to be unable to fit or flatten

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